Optical phase in the focus of a pulsed laser beam measured in 3-d by the FAU Chair for Laser Physics (2017)

10 July 2017 institutional account by the experimental group. Describes collaboration with the Paulus group, phase-sensitive photoemission from a nanometer-sharp tip, and raster scanning through the laser focus. Links the Nature Physics paper, DOI 10.1038/nphys4185.